Region
United States
738
États-Unis
105
Soviet Union
19
Japan
14
China
13
Developing countries
9
Iraq
7
Russia (Federation)
6
Chine
5
Korea (North)
5
Afghanistan
4
Europe
4
Former Soviet republics
4
Irak
4
Middle East
4
Alaska
3
Armenia (Republic)
3
Corée du Nord
3
Israel
3
Japon
3
Taiwan
3
URSS
3
Allemagne
2
Arab countries
2
Arctic National Wildlife Refuge (Alaska)
2
Azerbaijan
2
Caribbean Area
2
Congo (Democratic Republic)
2
Foreign countries
2
Germany
2
Greece
2
India
2
Iran
2
Korea (South)
2
Lebanon
2
Moyen-Orient
2
New Zealand
2
Pacific States
2
Pakistan
2
Panama
2
Philippines
2
Russia
2
Southeast Asia
2
Turkey
2
Ukraine
2
Uzbekistan
2
Vietnam
2
Afghānistān
1
Africa
1
Africa, North
1
more ...